Lenze DSD - Manual (Page 135)

Lenze · Drive Solution Designer · Manual · DMS 4.2 EN · 12/2013 · TD23
135
7 Applications
7.10 Chain conveyor
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7.10.2 Data for the entry
7.10.2.1 Diameter of the drive roll
7.10.2.2 Mass of the chain
7.10.2.3 Coefficient of friction of chain/supporting surface
7.10.2.4 Chain efficiency
7.10.2.5 Moment of inertia of driving roller
7.10.2.6 Additional force
Symbol Description
d Outside diameter of drive roll
Symbol Description
m
Chn
Mass of transport chain
• Value can be entered directly or calculated by the uniform load and conveying length.
"Uniform load mass (material handling technology)" calculator ( 415)
Symbol Description
μ
Gdn
Coefficient of friction between transport chain and supporting surface
• Value can be entered directly or selected from the "Physical coefficients" table.
Coefficient of friction for rolls
Symbol Description
η
Chn
Efficiency of the transport chain
η
Chn
= 0.90 - 0.96 (depending on the chain size)
Symbol Description
J Moment of inertia of the drive roll and all rolls that may be available
• Has an impact on the dynamic torque!
• Value can be entered directly or calculated using the inertial calculator.
Inertial calculator ( 407)
Symbol Description
F
add
The additional force results from backing forces, lateral friction, deflectors, etc.
• The backing force can be calculated using the auxiliary calculator.
"Backing force (material handling technology)" calculator ( 418)